| Business | Phone |
| Crunden Electric 29513 Corlan Rd Ne, Blackduck 56630 | (218) 835-4127 |
| G L Electric 25329 Alvwood Rd Ne, Blackduck 56630 | (218) 835-7396 |
| North Central Electric Inc 18661 Scenic Hwy Ne, Blackduck 56630 | (218) 835-7790 |
| North Star Electric Co 240 Main St N, Blackduck 56630 | (218) 835-6315 |